'It's like an oven': Europe's deadly heatwave exposes homes built for winter
Europe is battling an intense summer heatwave that has left more than 1,300 people dead since June 21, according to the WHO. Beyond the immediate health crisis, the extreme temperatures are exposing a major challenge: millions of homes across parts of Europe were designed to retain warmth during winter, making them increasingly difficult to cool during prolonged heatwaves.